Dinosaurs are known for their huge size, but a new species discovered in Colarado, USA, is notable for being tiny. The miniature creature from the Jurassic is described in Proceedings of the Royal Society B this week.

The Royal Society is calling for a £2 billion “Grand Challenge” research programme on global food security. A report published today (21 October 2009) says that the UK should lead international research efforts if we are to achieve the massive increase in food crop production that will be required by 2050 to meet global food demands without damaging the environment.